A high-end, 3 stage 73-style microphone/DI preamplifier The 73JR II is an update to the already classic 73JR - a true 73 style mic preamp in a single 500 series. slot, with some added features that... View more
The API reissued their iconic 312 microphone preamp as a single-width 500-series Lunchbox module The 312 is one of API's most sought after and famous mic preamps. First introduced in the 1970s, it is... View more
The B4 is a 4-channel MIC/LINE input daughter card for the B80 and B16 MOTHERSHIPs The B4 boasts the new BX6 input transformer designed for true MIC/LINE input impedance. The B4 maintains a no... View more
